<!DOCTYPE html>

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title></title>
    <script src="./js/vue.js"></script>
</head>

<body>
    <div id="app">
        在日本这个游戏机是:{{price}},含税价格{{price1}}元，折合人民币{{price2}}元。

        <button @click="btnclick(10800)">含税价格10800</button>
    </div>
    <script>
        var vm = new Vue({
            el: '#app',
            data: {
                price:22999
            },
            methods: {
                btnclick(newprice){
                    this.price1=newprice;

                }
            },
            computed:{
                price1:{
                    // return Math.round(this.price*1.08);
                    get:function(){
                        return this.price*1.08;
                    },
                    set:function(value){
                        this.price = value/1.08;
                    },
                },
                price2(){
                    return Math.round(this.price/16.75)
                    
                },

            }

        })
    </script>
</body>

</html>